Yealink Authorised Reseller in Australia. Telephone: +61 1300 800 522. Device Deal ships orders by Local & international couriers, including Australia post, Fast way couriers, DHL, TNT.How long will it take to my area? The Processing Time is the time of gathering up all the items and packaging. The item "Addcom ADD-665 Wireless Headset For Yealink Cisco Policom Avaya IP Phones" is in sale since Thursday, December 03, 2015. This item is in the category "Electronics\Portable Audio & Headphones\Headphones". The seller is "device-deal" and is located in Melbnourne, Victoria. This item can be shipped worldwide.